code: def save_model_fun(model):
      import os
  
      # dummy folders as example
      os.makedirs("f1/f2")
      os.makedirs("f1/f3")
  
      # actual model
      model.save("./f1/f2/mnist.h5")
  
file_path: auptimizer/Examples/mnist_keras_save_model/mnist_wo_decorator.py
imports: from aup import BasicConfig, print_result
  import tensorflow
  import numpy
  from tensorflow import keras
  from tensorflow.keras import layers
  from math import log
  import sys
label_desc: Use image node_id 4 for calling a global function with example usage: save_model_fun(model) without return types